140535486 has 80 divisors (see below), whose sum is σ = 387614304. Its totient is φ = 37060416.

The previous prime is 140535467. The next prime is 140535487. The reversal of 140535486 is 684535041.

It is a happy number.

140535486 is a `hidden beast` number, since 1 + 40 + 535 + 4 + 86 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 140535486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140535487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9976 + ... + 19508.

Almost surely, 2^140535486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140535486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193807152).

140535486 is an abundant number, since it is smaller than the sum of its proper divisors (247078818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140535486 is a wasteful number, since it uses less digits than its factorization.

140535486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9567 (or 9558 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 140535486 is about 11854.7663831895. The cubic root of 140535486 is about 519.9105936031.

The spelling of 140535486 in words is "one hundred forty million, five hundred thirty-five thousand, four hundred eighty-six".